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September Weather in Castel Maggiore, Italy

Last updated: August 23, 2025

In September, the average temperature in Castel Maggiore, Italy hovers around 21°C (70°F). Expect a minimum drop to 7°C (45°F) and a warm peak of 34°C (93°F). With an average humidity of 66%, you might also experience light showers accumulating to 86 mm (3.4 in) over about 10 days.

September Temperature in Castel Maggiore

In September in Castel Maggiore, the average temperature is 21°C (70°F), with maximums reaching up to 34°C (93°F) and minimums dropping as low as 7°C (45°F). This makes for a diverse climate, so travelers should come prepared for both warm days and cooler nights.

September Weather in Castel Maggiore: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Castel Maggiore, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castel Maggiore, September typically has an average temperature of 21°C (70°F), with highs reaching up to 34°C (93°F) and lows dropping to around 7°C (45°F).
JanFebMarAprMayJunJulAugSepOctNovDec394549576575797969605042
Data source: Temperature data for Castel Maggiore generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Castel Maggiore

In Castel Maggiore in September, the precipitation amount is 86 mm (3.4 in) over the course of 10 days.

September Precipitation Trends in Castel Maggiore

The chart displays monthly precipitation patterns in Castel Maggiore, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Castel Maggiore, September typically receives around 86 mm (3.4 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec24734859112486049866511874
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Castel Maggiore

In Castel Maggiore in September humidity is 66%. With an average temperature of 21°C (70°F), this humidity feels like a warm embrace, making it comfortable for leisurely strolls but slightly sticky for longer excursions.

September Average Humidity in Castel Maggiore

This chart illustrates the average monthly humidity levels in Castel Maggiore, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Castel Maggiore is approximately 66%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%79%69%71%70%65%61%54%66%83%88%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Castel Maggiore

In Castel Maggiore in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Castel Maggiore.

Maximum UV Index Levels in Castel Maggiore for September

The chart shows the monthly maximum UV Index (UVI) for Castel Maggiore in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Castel Maggiore typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2367810987532
Data source: Castel Maggiore September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How September Weather in Castel Maggiore Compares to Other Months

Weather in Castel Maggiore varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Castel Maggiore, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Castel Maggiore, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)24 mm (1.0 inches)87%low
February Weather7°C (45°F)73 mm (2.9 inches)79%moderate
March Weather10°C (50°F)48 mm (1.9 inches)69%high
April Weather14°C (57°F)59 mm (2.3 inches)71%high
May Weather18°C (65°F)112 mm (4.4 inches)70%very high
June Weather24°C (75°F)48 mm (1.9 inches)65%very high
July Weather26°C (79°F)60 mm (2.3 inches)61%very high
August Weather26°C (79°F)49 mm (1.9 inches)54%very high
September Weather21°C (70°F)86 mm (3.4 inches)66%high
October Weather15°C (60°F)65 mm (2.5 inches)83%moderate
November Weather10°C (51°F)118 mm (4.6 inches)88%moderate
December Weather5°C (42°F)74 mm (2.9 inches)85%low

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